Switching frequency dependent averaged models for PWM dc-dc converters

被引:131
作者
Lehman, B [1 ]
Bass, RM [1 ]
机构
[1] GEORGIA INST TECHNOL,SCH ELECT & COMP ENGN,ATLANTA,GA 30332
基金
美国国家科学基金会;
关键词
D O I
10.1109/63.484421
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper introduces a new averaging method for PWM de-de converters which yields averaged models that are switching frequency dependent. The new models are obtained by using periodic ripple functions to improve the averaging approximation. Two important benefits are the correction of de offset error in steady-state and the modeling of switching frequency effects on closed-loop performance and stability.
引用
收藏
页码:89 / 98
页数:10
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